HO Code 100 with black ties and nickel silver rail. Custom-Line Turnouts have metal frogs that can be powered if necessary.
Wye
The points on these turnouts can be thrown using any of the following Atlas products: undertable switch machine (item #65 or 66); standard remote switch machine - Code 100 (item #52 or 53); or a standard manual switch machine - Code 100 (item #62 or 63).